40000522 has 8 divisors (see below), whose sum is σ = 60723936. Its totient is φ = 19759212.

The previous prime is 40000517. The next prime is 40000523. The reversal of 40000522 is 22500004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40000523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120318 + ... + 120649.

It is an arithmetic number, because the mean of its divisors is an integer number (7590492).

Almost surely, 2^40000522 is an apocalyptic number.

40000522 is a deficient number, since it is larger than the sum of its proper divisors (20723414).

40000522 is a wasteful number, since it uses less digits than its factorization.

40000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241052.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40000522 is about 6324.5965879256. The cubic root of 40000522 is about 341.9966770079.

Adding to 40000522 its reverse (22500004), we get a palindrome (62500526).

The spelling of 40000522 in words is "forty million, five hundred twenty-two", and thus it is an aban number.